添加多个blocks替代UITextView delegate方法，没有子类，也允许使用delegate方法如果没有设置Block

UITextView
添加多个blocks替代UITextView delegate方法，没有子类，也允许使用delegate方法如果没有设置Block
https://github.com/yichizhang/UITextView-Blocks

使用手势改变字体大小
https://github.com/yichizhang/UITextView-Blocks

为UITextView添加Placeholder
https://github.com/devxoul/UITextView-Placeholder

为UITextView添加编辑事件
https://github.com/andrewsardone/UITextView-UIControl

UITextView with support of auto growing, placeholder and length limit. https://github.com/KennethTsang/GrowingTextView
RSKGrowingTextView

APExpandingTextView （swift）文本自增长
https://github.com/aadeshp/APExpandingTextView

BIZExpandedTextView 文本自增长
https://github.com/bizibizi/BIZExpandedTextView

A lightweight UITextView subclass that is growing and shrinking in size
https://github.com/ziryanov/CCGrowingTextView
https://github.com/cloverstudio/CSGrowingTextView

UITextField
https://github.com/haaakon/UITextField-Blocks
https://github.com/RuiAAPeres/UITextField-DelegationBlocks
https://github.com/andreamazz/UITextField-Shake